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Posts by THT

 I'm not saying Apple isn't adding another GB of DRAM because of the power draw from the DRAM. That's peanuts. 10s of milliwatts. I am saying that by having another GB of DRAM, users will end up running more background processes resulting in more usage of the CPU and wireless radios. 100s of milliwatts. The benefit of running all those extra background processes is questionable for Apple's mass market customers versus having the system last longer. More RAM is an...
FWIW, my speculation on why Apple is sticking with 1 GB of RAM for the iPhone is really from an uptime perspective (battery blah blah blah), but not due to the power draw from another GB of DRAM.   The power draw from 1 GB of DRAM is peanuts in the grand scheme of things. The increased power consumption comes from powering the CPUs and wireless radios that more RAM would afford, i.e., more processes, more applications running require the SoC and radios to run more...
 No, it makes sense. It was all but inevitable. There was only one thing left in my mind, but it is at best a compromised measure, and I wasn't sure 20 nm would get them there. All the low hanging fruit for CPU performance have been implemented. ARM marched up the path that server/desktop processors took. They did it in 6 years versus about 2 decades. Superscalar, deep pipelining, SIMD, OOOE, branch prediction, multi-core, 64-bit, etc. It took close to 20 years for the PC...
 You are talking about far-field wireless power transmission, right? That sort of thing just isn't going to work as long as the device has a display to power. You are talking micro watts and pico watts with incredibly bad efficiency rates. I can't imagine this thing working in any scenario whatsoever. If Apple has a secret sauce, it's going to be a super low power display, super low power wireless radios and super low power sensors and SoCs.
 Pebble uses an e-Ink or e-paper display, right? That means anything involving color or animation is out not possible on the Pebble? Most of the Android Wear watches use LCDs or OLEDs which require a lot of power and therefore have runtime performance like cell phones, or devices that use those types of displays. As for Apple's iWatch. Wait and see. I could see them delivering a device that needs to be charged every night to one that can last a month. It all depends on...
 Not much mystery to it. People like round watches because traditional watches use dials to express the time, and a circle is a fundamental shape to our eyes. So, in the watch-as-jewelry world, especially on the male side, round watches are viewed as beautiful. A smart watch is like a convergence of stars for watch fans who are computing fans, and they absolutely love round watch faces. The digital or smart aspects are not really the attraction right now other than the...
 David Kantar says that direct ARM instructions are 2-issue wide. So, on some code, it could be the same IPC as a Cortex-A8 or Cortex-A9. Ok, I joke.   Yes. Great for multimedia, not so great for web browsing or productivity style applications.  I wouldn't be surprised if Nvidia has a lot of Transmeta folks and this is their 3rd crack at the architecture. Wait and see. Anyways, you can get the Hot Chips presentation...
I couldn't wait anymore. Bought an iMac 27" with 3 TB Fusion drive. My old PC was falling apart, so had to buy now. Was holding out hope that Apple would ship a Mac mini update with a 3 TB Fusion drive, but alas no.     So, maybe 5 years down the road, I can update to what I think Apple wants the iMac to be: a high DPI display, all SSD, no fan, and only about 0.5" thick.   So the usual advice applies. Buy now if you have to, other wise wait. Broadwell in of itself...
 That someone is wrong at times or often times and sensationalistic doesn't mean they are wrong all the time. You interpret information from all sources as fairly as possible, apply common sense with the proper filters. Turning a blind eye on someone who is wrong at times or is sensationalistic pretty much means you are ignoring any and all people you meet. Nobody bats a 1000. (I would be ignoring Mark Gurman if I took his prima donna attitude into account.) Like, would...
64 bit Tegra K1 is supposedly a dual core VLIW arch CPU with a Kepler arch GPU. AI is saying that 128 Mbyte of main memory will be used to store profiled ARM instructions. There likely needs to be a code interpreter that does the code morphing and profiling, etc. So, similar to Transmeta's Crusoe and Efficeon.I said that Demerjian is gossiping that this arch is dead. But the PR here is saying it's still there. So, Nvidia is going full steam ahead here. We'll see how it...
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